Anonymous1 day ago
A landmark 2026 study in Science reveals that interbreeding between Neanderthals and early Homo sapiens was strongly sex-biased — predominantly Neanderthal males mating with human females — upending decades of assumptions about why Neanderthal DNA is depleted from modern human X chromosomes. Combined with discoveries of a 140,000-year-old hybrid child in Israel and Princeton research mapping 200,000 years of gene flow, scientists are assembling a far more intimate and complex portrait of our species' tangled origins than anyone imagined.